Screw plug mounting for an electric immersion heater



FIG. 1 is a perspective view of a screw plug mounting for an electricimmersion heater showing my new design;

FIG. 2 is a top plan view of said mounting.

FIG. 3 is a sectional view corresponding to the line 3--3 of FIG. 2, and

FIG. 4 is a view similar to FIG. 3, but showing a slightly modifieddesign; but having the same general appearance of FIG. 1.

The ornamental design for a screw plug mounting for an electricimmersion heater, substantially as shown and described.